Microsoft Support Phone Numbers
Finding information on Microsoft’s Web site is not always an easy thing. Unfortunately, Microsoft’s search engine is not very reliable so if you are trying to locate a Knowledge Base article or a certain document, use Google’s search engine, rather than relying on Microsoft’s search which will often fail to locate documents on Microsoft’s own Web site.
The following contact information may be useful to you if you are looking for Microsoft’s support contact information in US or Canada.
Professional Support Options and Phone Numbers
Support for software that was supplied with your PC (OEM)
Search the Support Knowledge Base
Support Options for Home Users with Windows Vista and 2007 Microsoft Office system
Note: This support option for Home Users is only good for 90-days after you activate the product.